The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 31, 2017
Filed:
Jun. 24, 2014
Applicant:
Western Digital (Fremont), Llc, Fremont, CA (US);
Inventors:
Yongping Gong, Pakkret, TH;
Budi Suswadi, Bangkok, TH;
Phuwanai Bunnak, Pathumthani, TH;
Kah Choong Loo, Pakkret, TH;
Krisda Siangchaew, Ta Sai, TH;
Assignee:
WESTERN DIGITAL (FREMONT), LLC, Fremont, CA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G11B 5/40 (2006.01); C23C 14/35 (2006.01); H01J 37/34 (2006.01); G11B 5/255 (2006.01);
U.S. Cl.
CPC ...
G11B 5/40 (2013.01); C23C 14/35 (2013.01); G11B 5/255 (2013.01); H01J 37/3411 (2013.01);
Abstract
A method of providing an apparatus with a protective layer by simultaneously depositing carbon and seed material on the apparatus to form an intermediate layer, wherein the carbon and seed material have a percentage composition that varies as a function of the intermediate layer thickness; and then providing a diamond-like carbon (DLC) layer adjacent to the intermediate layer to produce the protective layer.